17 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Decreased GI Uptake ... #Differential #Diagnosis ... #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Refeeding Syndrome Overview

What Is It?
	• Electrolyte/fluid shifts caused by initiation of nutrition in severely malnourished patient.
initiation of nutrition ... changes and may cause ... , K, Mg2+) • Slow ... Refeeding #Syndrome #Nutrition ... #Differential #Diagnosis
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Differential Diagnosis ... Poor Intake ... #Low #Potassium ... #Table #Classification ... #Causes
Refeeding Syndrome: Pathogenesis and clinical findings

Patients at Risk of Refeeding Syndrome:
 - Little or no nutritional
- Little or no nutritional ... intake in recent ... weight loss - Low ... Constipation - MSK ... Refeeding #Syndrome #diagnosis
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... can be high or low ... Primary polydipsia), Low ... #differential #diagnosis ... #table #sodium
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... decreased dietary intake ... consider other diagnosis ... Cobalamin #Deficiency #diagnosis ... #management #nutrition
Thiamine Deficiency - Differential Diagnosis Framework and Clinical Manifestations

Causes of Thiamine Deficiency:
 • Poor intake:
	- Diets
- Differential Diagnosis ... Manifestations Causes ... Deficiency: • Poor intake ... #Differential #Diagnosis ... syndromes #beriberi #nutrition
Diagnosis of Myasthenia Gravis - Physical Exam Maneuvers
 • Sustained lateral gaze for seconds to elicit
Diagnosis of Myasthenia ... diplopia • Sustained upgaze ... ptotic eyelid will cause ... droop (Hering's law ... Myasthenia #Gravis #PhysicalExam
Lung Findings on Physical Exam
Crackles:
 • Short, discontinuous, sounds mostly heard during inspiration
 • Caused by
inspiration • Caused ... obstruction); sounds a lot ... wheezing, you must take ... Findings #Pulmonary #PhysicalExam ... #diagnosis #signs
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
Deficiency) - Diagnosis ... • Inadequate intake ... persons with poor nutrition ... nonimmune hemolysis MSK ... , or any other cause